EFA CORPORATION

486 VIP

Processor

CX486S/AM486SX/SL80486SX/80486SX/CX486S2/AM486DX/CX486DX/ SL80486DX/80486DX/CX486DX2/AM486DX2/SL80486DX2/80486DX2/ 80486DX4/P24D/Pentium Overdrive

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz

Chip Set

Contaq

Max. Onboard DRAM

64MB

Cache

128/256/512/1024KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2), 32-bit PCI slots (4), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J11

Turbo switch

J71

Green PC connector

J13

Speaker

J72

Green PC LED

J33

Power LED & keylock

J73

Reset switch

J69

32-bit PCI slots

PC1 - PC4

Turbo LED

J70

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

J12

pins 1 & 2 closed

 

CMOS memory clear

J12

pins 2 & 3 closed

»

Monitor type select color

J14

Closed

 

Monitor type select monochrome

J14

Open

»

Factory configured - do not alter

J15

pins 1 & 2 closed

»

Factory configured - do not alter

J19

pins 2 & 3 closed

»

Factory configured - do not alter

J20

pins 1 & 2 closed

»

Factory configured - do not alter

J22

pins 2 & 3 closed

»

Factory configured - do not alter

J23

pins 1 & 2 closed

»

Factory configured - do not alter

J25

pins 1 & 2 closed

»

Factory configured - do not alter

J32

Open

»

CPU speed select normal speed

J76

Open

 

CPU speed select slow speed

J76

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 512K x 36

NONE

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

NONE

4MB

(1) 512K x 36

NONE

(1) 512K x 36

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

6MB

(1) 512K x 36

NONE

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(1) 1M x 36

NONE

(1) 2M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

NONE

(1) 2M x 36

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

18MB

(1) 512K x 36

NONE

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 2M x 36

NONE

(1) 4M x 36

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 1M x 36

NONE

(1) 8M x 36

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

40MB

(1) 2M x 36

NONE

(1) 8M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M x 36

NONE

(1) 8M x 36

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 16M x 36

NONE

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

NONE

64MB

(1) 8M x 36

NONE

(1) 8M x 36

NONE

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

512KB

(4) 128K x 8

NONE

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

J40

J41

J42

J43

128KB

pins 1 & 2 closed

Open

pins 2 & 3 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

Open

pins 1 & 2 closed

pins 1 & 2 closed

512KB

pins 2 & 3 closed

Open

pins 2 & 3 closed

pins 2 & 3 closed

1MB

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

J21

J47

J48

J49

J50

J51

CX486S

2 & 3

1 & 2

1 & 2

2 & 3

Open

1 & 2

AM486SX

1 & 2

Open

Open

1 & 2

Open

Open

SL80486SX

1 & 2

Open

Open

2 & 3

Open

Open

80486SX

1 & 2

Open

Open

1 & 2

Open

Open

CX486S2

2 & 3

1 & 2

1 & 2

2 & 3

Open

1 & 2

AM486DX

1 & 2

Open

Open

1 & 2

2 & 3

Open

CX486DX

2 & 3

Open

1 & 2

2 & 3

2 & 3

1 & 2

SL80486DX

1 & 2

Open

Open

2 & 3

2 & 3

Open

80486DX

1 & 2

Open

Open

1 & 2

2 & 3

Open

CX486DX2

2 & 3

Open

1 & 2

2 & 3

2 & 3

1 & 2

AM486DX2

1 & 2

Open

Open

1 & 2

2 & 3

Open

SL80486DX2

1 & 2

Open

Open

2 & 3

2 & 3

Open

80486DX2

1 & 2

Open

Open

1 & 2

2 & 3

Open

80486DX4 (2x)

1 & 2

Open

Open

2 & 3

2 & 3

Open

80486DX4 (2.5x)

1 & 2

Open

Open

2 & 3

2 & 3

Open

80486DX4 (3x)

1 & 2

Open

Open

2 & 3

2 & 3

Open

P24D (WT)

1 & 2

Open

Open

2 & 3

2 & 3

2 & 3

P24D (WB)

1 & 2

Open

Open

2 & 3

2 & 3

2 & 3

P24T (WT)

1 & 2

Open

Open

2 & 3

1 & 2

1 & 2

P24T (WB)

1 & 2

Open

Open

2 & 3

1 & 2

1 & 2

Note: Pins desingated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

J52

J53

J54

J55

J56

CX486S

2 & 3

2 & 3

4 & 5

5 & 6

5 & 6

AM486SX

2 & 3

Open

Open

Open

Open

SL80486SX

2 & 3

1 & 2

3 & 4, 5 & 6

Open

Open

80486SX

2 & 3

Open

Open

Open

Open

CX486S2

2 & 3

2 & 3

4 & 5

5 & 6

5 & 6

AM486DX

1 & 2, 3 & 4

Open

Open

Open

Open

CX486DX

1 & 2, 3 & 4

2 & 3

4 & 5

5 & 6

5 & 6

SL80486DX

1 & 2, 3 & 4

1 & 2

3 & 4, 5 & 6

Open

Open

80486DX

1 & 2, 3 & 4

Open

Open

Open

Open

CX486DX2

1 & 2, 3 & 4

2 & 3

4 & 5

5 & 6

5 & 6

AM486DX2

1 & 2, 3 & 4

Open

Open

Open

Open

SL80486DX2

1 & 2, 3 & 4

1 & 2

3 & 4, 5 & 6

Open

Open

80486DX2

1 & 2, 3 & 4

Open

Open

Open

Open

80486DX4 (2x)

1 & 2, 3 & 4

1 & 2

3 & 4, 5 & 6

Open

2 & 3

80486DX4 (2.5x)

1 & 2, 3 & 4

1 & 2

3 & 4, 5 & 6

Open

4 & 5

80486DX4 (3x)

1 & 2, 3 & 4

1 & 2

3 & 4, 5 & 6

Open

1 & 2

P24D (WT)

1 & 2, 3 & 4

1 & 2, 3 & 4

3 & 4, 5 & 6

1 & 2, 4 & 5

Open

P24D (WB)

1 & 2, 3 & 4

1 & 2, 3 & 4

3 & 4, 5 & 6

2 & 3, 4 & 5

Open

P24T (WT)

1 & 2, 3 & 4

1 & 2

3 & 4, 5 & 6

1 & 2

Open

P24T (WB)

1 & 2, 3 & 4

1 & 2

3 & 4, 5 & 6

3 & 4

Open

Note: Pins desingated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

J16

J24

J26

J27

J28

25MHz

Closed

2 & 3

Closed

1 & 2

2 & 3

33MHz

Open

2 & 3

Closed

2 & 3

1 & 2

40MHz 1

Open

2 & 3

Open

1 & 2

2 & 3

40MHz 2

Open

1 & 2

Open

1 & 2

2 & 3

40MHz 3

Open

1 & 2

Open

1 & 2

2 & 3

50iMHz

1 & 2

2 & 3

Closed

1 & 2

2 & 3

50MHz 4

Open

1 & 2

Open

2 & 3

1 & 2

50MHz 5

Open

1 & 2

Open

2 & 3

1 & 2

66iMHz

Open

2 & 3

Closed

2 & 3

1 & 2

75iMHz

Closed

2 & 3

Closed

1 & 2

2 & 3

100iMHz

Open

2 & 3

Closed

2 & 3

1 & 2

Note: 1 = PCI 40mhz. 2 = PCI 33mhz & OCS2 =>33mhz. 3 = PCI 20mhz & OSC2 =>empty. 4 = PCI 33mhz & OCS2 =>33mhz. 5 = PCI 25mhz & OSC2 =>empty. Pins designated should be in the closed postion.

CPU SPEED CONFIGURATION (CON’T)

Speed

J29

J46

J57

J58

J59

25MHz

Open

Open

Open

Open

pins 2 & 3 closed

33MHz

Open

Open

Open

Open

pins 2 & 3 closed

40MHz 1

Open

Open

Closed

Closed

pins 2 & 3 closed

40MHz 2

Open

Closed

Closed

Closed

pins 2 & 3 closed

40MHz 3

Closed

Closed

Closed

Closed

pins 2 & 3 closed

50iMHz

Open

Open

Open

Open

pins 2 & 3 closed

50MHz 4

Open

Closed

Closed

Closed

pins 2 & 3 closed

50MHz 5

Closed

Closed

Closed

Closed

pins 2 & 3 closed

66iMHz

Open

Open

Open

Open

pins 2 & 3 closed

75iMHz

Open

Open

Open

Open

pins 2 & 3 closed

100iMHz

Open

Open

Open

Open

pins 2 & 3 closed

Note: 1 = PCI 40mhz. 2 = PCI 33mhz & OCS2 =>33mhz. 3 = PCI 20mhz & OSC2 =>empty. 4 = PCI 33mhz & OCS2 =>33mhz. 5 = PCI 25mhz & OSC2 =>empty.

CPU VOLTAGE CONFIGURATION

Voltage

J74

3.3v (80486DX4 only)

pins 3 & 5, 4 & 6 closed

5.0v

pins 1 & 3, 2 & 4 closed

PCI COMPLIANCE CONFIGURATION

Slot

J75

PC1 (PCI compliant)

pins 10 & 11 closed

PC1 (Non PCI compliant)

pins 11 & 12 closed

PC2 PCI compliant)

pins 7 & 8 closed

PC2 (Non PCI compliant)

pins 8 & 9 closed

PC3 (PCI compliant)

pins 4 & 5 closed

PC3 (Non PCI compliant)

pins 5 & 6 closed

PC4 (PCI compliant)

pins 1 & 2 closed

PC4 (Non PCI compliant)

pins 2 & 3 closed

PCI IRQ CONFIGURATION (IRQ3)

IRQ

J31A

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed

PCI IRQ CONFIGURATION (IRQ4)

IRQ

J31B

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed

PCI IRQ CONFIGURATION (IRQ5)

IRQ

J31C

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed

PCI IRQ CONFIGURATION (IRQ6)

IRQ

J31J

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed

PCI IRQ CONFIGURATION (IRQ7)

IRQ

J31D

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed

PCI IRQ CONFIGURATION (IRQ9)

IRQ

J31I

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed

PCI IRQ CONFIGURATION (IRQ10)

IRQ

J31E

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed

PCI IRQ CONFIGURATION (IRQ11)

IRQ

J31F

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed

PCI IRQ CONFIGURATION (IRQ12)

IRQ

J31G

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed

PCI IRQ CONFIGURATION (IRQ14)

IRQ

J31K

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed

PCI slot 1 (IDE)

pins 2 & 4 closed

PCI IRQ CONFIGURATION (IRQ15)

IRQ

J31H

PCI compliant

pins 1 & 2 closed

Non PCI compliant

pins 2 & 3 closed